Apple and blackberry crumble
By Hugh Fearnley-Whittingstall From Saturday Kitchen Ingredients For the apple and blackberry crumble 1.5kg/3lb 5oz cooking apples (or 1kg/2lb 4oz cooking plus 500g/1lb 2oz eating apples) 1 lemon, zest and juice 1 orange, zest and juice 50g/1¾oz–60g/2¼oz golden caster sugar …